Achieving predictability and service differentiation in web services

Gamini Abhaya, W, Tari, Z and Bertok, P 2009, 'Achieving predictability and service differentiation in web services', in Luciano Baresi, Chi-Hung Chi, Jun Suzuki (ed.) Proceedings of the 7th International Joint Conference on Service-Oriented Computing, Stockholm, Sweden, 23-27 November 2009, pp. 1-8.


Document type: Conference Paper
Collection: Conference Papers

Title Achieving predictability and service differentiation in web services
Author(s) Gamini Abhaya, W
Tari, Z
Bertok, P
Year 2009
Conference name The 7th International Joint Conference on Service Oriented Computing
Conference location Stockholm, Sweden
Conference dates 23-27 November 2009
Proceedings title Proceedings of the 7th International Joint Conference on Service-Oriented Computing
Editor(s) Luciano Baresi, Chi-Hung Chi, Jun Suzuki
Publisher Springer-Verlag
Place of publication Berlin, Heidelberg
Start page 1
End page 8
Total pages 8
Abstract This paper proposes a model and an admission control algorithm for achieving predictability in web services by means of service differentiation. We use real-time scheduling principles typically used offline, adapt them to web services to work online. The proposed model and algorithm is empirically evaluated by implementing it Apache Axis2. The implementation is benchmarked against the unmodified version of Axis2 for various types of workloads and arrival rates, given different deadlines. We meet 100% of the deadlines keeping a healthy request acceptance rate of 42-100% depending on the task size variation. Our solution outperforms Axis2, specially at instances with high task size variance, by a factor of 10 - 1000.
Subjects Interorganisational Information Systems and Web Services
Keyword(s) Service differentiation
Web services
DOI - identifier 10.1007/978-3-642-10383-4_26
Copyright notice Copyright Springer-Verlag Berlin Heidelberg 2009
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